River stage telemetry, extreme discharge hydrographs and station washout audit: Nepal Department of Hydrology and Meteorology

Outcome
Completed
Search date
Source
Department of Hydrology and Meteorology (DHM), Government of Nepal
Reference
RUN-20260924-071
Aim
Query and extract official river stage telemetry, emergency bulletin hydrographs, and sensor washout logs for the Trishuli and Narayani river stations (Betrawati Station 447 and Devghat Station 450).
Source and interface
Department of Hydrology and Meteorology (DHM), Government of Nepal — DHM Real Time River Monitoring Portal and Flood Forecasting Division
Search method
Query DHM telemetry database and special disaster bulletins for 26 to 28 August 2026; record stage hydrographs, rating curve extrapolations, and telemetry failure timestamps.
Criteria
CriterionHydrometric stations along Trishuli and Narayani corridors. Telemetry frequency 10 to 60 min.
Coverage
Continuous discharge hydrograph at Devghat (Station 450, peak 5,850 m3/s at 16:00 NPT) and technical logs of telemetry failure and station destruction at Betrawati (Station 447).
Stopping rule
Exhaust official national hydrometric agency bulletins and telemetry records for the event window.
Result

1 official hydrometric reporting resource catalogued across 2 assets: Devghat hydrometric station extreme discharge timeseries and station telemetry failure and damage log.

Resource links below show the completed assessment outcomes. The search result above records discovery at the search date.

Unverified DHM event hydrograph and station-failure package — Excluded